Had the same problem with a 1995 XJ6. Try spraying lots of WD40 through the key hole, leave for an hour, spray again then wiggle the key gently until it opens! It might be worth taken the lock out and giving it a thorough clean (I did and it's sweet as a nut!)
unlock it with the key below key hole - there is a lever - push it up - this will open up the trunk
in the trunk near the battery
in the trunk remove the spare tire
my 94 xj6 has a switch in the center console glove box
there is open trunk switch in the glove compartment
button on left side of dash 3rd one in
The fuel pump is in the lower panel of the trunk. Most are under the spare.
Yes my husband had to drill a hole in his trunk behind the license plate and got in the trunk
where is located on a 1996 jaguar xj6 starter ?
Type your answer here... In the trunk under the floor between the spare and the back bumper
The fuel pump relay for a 1993 xj6 Jaguar is located in the trunk on the right hand rear side, next to the rear light control module. It is a 4 prong black relay.
location of wiper motor on 1985 Jaguar XJ6